n.等待线模型的结构 waiting line: 等待线; 等待行列; 等候线; 限制线hgs molecular structure models: hgs生物结构模型expected length of the waiting line: 期望排队长度finite waiting line: 有限等候线finite waiting line model: 有限排队模型下载手机词典可随时随地查词查翻译